Home / 5,568,717,661.21-8,356,756,483.92-2,621,840,029.22

Finding the Fourth Proportional to 5,568,717,661.21, 8,356,756,483.92 and 2,621,840,029.22

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Solution

The fourth proportional to 5,568,717,661.21, 8,356,756,483.92 and 2,621,840,029.22 is: 3,934,492,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568,717,661.21 : 8,356,756,483.92 = 2,621,840,029.22 : x
  2. Step 2: Convert to fraction form
    5,568,717,661.21/8,356,756,483.92 = 2,621,840,029.22/x
  3. Step 3: Cross multiply
    5,568,717,661.21x = 8,356,756,483.92 × 2,621,840,029.22
  4. Step 4: Simplify right side
    5,568,717,661.21x = 21,910,078,663,985,233,920
  5. Step 5: Solve for x
    x = 21,910,078,663,985,233,920/5,568,717,661.21
  6. Step 6: Final answer
    x = 3,934,492,642.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.